Controlling ultrafast laser writing in silica glass by pulse temporal contrast
We demonstrate that the temporal contrast of femtosecond light pulses is a critical parameter in laser writing inside transparent ... (Source: Optics Letters)
Source: Optics Letters - April 25, 2024 Category: Physics Authors: Yuhao Lei Huijun Wang Gholamreza Shayeganrad Yuri Svirko Peter G. Kazansky Source Type: research
Spatial resolution limit of single pixel imaging of complex light fields
Complex light fields with arbitrary amplitudes and phases can be measured by sampling them with an orthogonal basis (i.e., canonical, ... (Source: Optics Letters)
Source: Optics Letters - April 25, 2024 Category: Physics Authors: Dennis Scheidt Pedro A. Quinto-Su Source Type: research
Capacity enhancement through entropy loading with probabilistically shaped signals in a frequency comb-based transmission system
We demonstrate a multichannel entropy loading mechanism in an optical frequency comb-based coherent communication system. In high-capacity ... (Source: Optics Letters)
Source: Optics Letters - April 25, 2024 Category: Physics Authors: Ziyue Zhang Yuanfei Zhang Qiulin Zhang Chester Shu Source Type: research
High-efficiency vertically emitting coupler facilitated by three wave interaction gratings
We designed a grating coupler optimized for normal incidence and numerically demonstrate near-unity coupling in a standard 220-nm-thick ... (Source: Optics Letters)
Source: Optics Letters - April 25, 2024 Category: Physics Authors: Carson G. Valdez Sunil Pai Payton Broaddus Olav Solgaard Source Type: research
Overcoming oxygen inhibition in UV photolithography for the fabrication of low-loss polymer waveguides
Perfluorinated acrylate polymer materials exhibit low absorption loss at 1310 and 1550?nm, but molecular oxygen inhibits their photocuring. ... (Source: Optics Letters)
Source: Optics Letters - April 24, 2024 Category: Physics Authors: Xingyu Xu Xiao Lu Fufei Pang Na Chen Heming Wei Liang Zhang Qianwu Zhang Tingyun Wang Source Type: research
High-average-power single-frequency pulse optical parametric oscillator based on pulse-integrated seed-injection automatic locking
Near-infrared nanosecond (ns) single-longitudinal-mode (SLM) pulse light generated from an optical parametric oscillator (OPO) is an ... (Source: Optics Letters)
Source: Optics Letters - April 24, 2024 Category: Physics Authors: Jiaqi Song Jiliang Qin Xuechen Cao Donglin Cheng Yanan Chen Huadong Lu Source Type: research
Improved power and temperature performance of half-disk diode microlasers
The power and temperature characteristics of Ø 200? µ m half-disk microlasers with a half-ring metal contact and high-density ... (Source: Optics Letters)
Source: Optics Letters - April 24, 2024 Category: Physics Authors: Fedor Zubov Artem Beckman Yuri Shernyakov Nikolay Kaluzhnyy Sergey Mintairov Yulia Guseva Marina Kulagina Vladimir G. Dubrovskii Mikhail Maximov Source Type: research
Photonic-assisted high-order vector millimeter-wave signal generation enabled by DSM
We propose an optical dual-single-sideband (dual-SSB) modulated 16384-quadrature amplitude modulation (QAM) photonic vector millimeter-wave ... (Source: Optics Letters)
Source: Optics Letters - April 24, 2024 Category: Physics Authors: Acai Tan Yanyi Wang Zhengxuan Li Yingxiong Song Jianjun Yu Source Type: research
Multiplication-free and hardware-efficient baud-rate timing error detector for Nyquist and faster than Nyquist optical IM/DD systems
Clock recovery (CR) algorithms that support higher baud rates and advanced modulation formats are crucial for short-distance optical ... (Source: Optics Letters)
Source: Optics Letters - April 24, 2024 Category: Physics Authors: Jianwei Tang Jinlong Wei Junpeng Liang Zhaopeng Xu Tianfeng Zhao Chen Cheng Yaguang Hao Bang Yang Zhongliang Sun Ke Li Yunchen Li Lingjun Zhou Zhixue He Yanfu Yang Weisheng Hu Source Type: research
Reciprocal polarization imaging of optical activity in reflection
We present reciprocal polarization imaging for the optical activity of chiral media in reflection geometry. The method is based on the ... (Source: Optics Letters)
Source: Optics Letters - April 24, 2024 Category: Physics Authors: Zhineng Xie Mengjiao Zhu Weihao Lin Guowu Huang Yifan Ge Yansen Hu Xin Jin Min Xu Source Type: research
High-Q two-dimensional photonic crystal nanocavity on glass with an upper glass thin film
We numerically analyze two-dimensional photonic crystal (PhC) nanocavities on glass with a thin glass film on top of the structure. We ... (Source: Optics Letters)
Source: Optics Letters - April 23, 2024 Category: Physics Authors: Ryusei Kawata Akinari Fujita Natthajuks Pholsen Satoshi Iwamoto Yasutomo Ota Source Type: research
Programmable spin and transport of a living shrimp egg through photoacoustic pressure
In the fields of biomedicine and microfluidics, the non-contact capture, manipulation, and spin of micro-particles hold great importance. ... (Source: Optics Letters)
Source: Optics Letters - April 23, 2024 Category: Physics Authors: Xichuan Zhao Ruoqin Zhang Jinzhi Li Di Zhou Feng Li Honglian Guo Source Type: research
High performance polarizer on thin-film lithium niobate with width-tapered Euler bending
In this Letter, we propose and demonstrate an integrated polarizer on thin film lithium niobate (TFLN). The polarizer consists of a ... (Source: Optics Letters)
Source: Optics Letters - April 23, 2024 Category: Physics Authors: Weixi Liu Chengfeng Wen Chenkun Lei Lijia Song Daoxin Dai Yaocheng Shi Source Type: research
Widely tunable S-band ring-cavity Tm^3+-doped fluorotellurite fiber laser
Tm^3+-doped fluorotellurite fibers (TDFTFs) are fabricated by using a rod-in-tube method. A 2.1?m long TDFTF is used as the gain medium, in ... (Source: Optics Letters)
Source: Optics Letters - April 22, 2024 Category: Physics Authors: Linghao Cui Zhixu Jia Junjie Wang Chuanze Zhang Feng Tian Fanchao Meng Yasutake Ohishi Weiping Qin Guanshi Qin Source Type: research
Hyperspectral microscopy of boron nitride nanolayers using hybrid femto/picosecond coherent anti-Stokes Raman scattering
The rise in interest in two-dimensional (2D) nanomaterials has been notable in recent years. In particular, hexagonal boron nitride (h-BN), ... (Source: Optics Letters)
Source: Optics Letters - April 22, 2024 Category: Physics Authors: Elodie Lin Michael Scherman Aurelie Pierret Brigitte Attal-Tretout Amandine Andrieux Laure Tailpied Takashi Taniguchi Kenji Watanabe Annick Loiseau Source Type: research
